42 - MiniTalk

A small data exchange program using UNIX signals 📡

The purpose is to create a communication program in the form of a client and server using only UNIX signals SIGUSR1 and SIGUSR2.

Subject

Features

Mandatory Requirements:

• Server Program:

  • Displays its PID on launch
  • Receives and prints strings sent by clients
  • Must be able to receive strings from several clients in a row
  • Must display the string quickly

• Client Program:

  • Takes two parameters:
    • Server PID
    • String to send
  • Communicates with server using UNIX signals
  • Must send the string to the server
  • The server must display the string fairly quickly

Bonus Features:

• Server acknowledgment: The server acknowledges every message received
• Unicode characters support: The program supports Unicode characters

Compilation and Usage

# Compile:
make

# Start the server:
./server

# Send messages using the client:
./client [SERVER_PID] "Your message here"

Disclaimer

At 42 School, most projects must comply with the Norm.